From en.wiktionary.org:
** English
*** Etymology
From [en], as used in one's palm; by analogy with [en] and [en].
*** Pronunciation
- [en]
*** Noun
[en-noun]
1. [en] A personal digital assistant .
2. * {{ quote-journal | en | year=1994 | journal=PC Mag | volume=13 | issue=6 | page=4
|passage=A taxonomy of small computers—laptops, PALMTOPS, and kneetops—was
just emerging.}}
**** Translations
[personal digital assistant]